Physics
posted by Rose .
How much work(energy) is needed to lift an object that weighs 200N to a height of 4m?
My question: is weight the same as force? if not, how do I find the amount of force

work= force*distance=200N*4m=800Joules
weight is gravitational force acting on some mass, in a gravitational field. 
energy = mgh = 200*4 = 800J
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